Privacy Policy

Introduction

Welcome to PreviewPane code-to-image tool! This is a pure front-end tool based on browsers, focusing on converting HTML + CSS code into beautiful images. We understand the importance of privacy to you, and this policy details our data processing methods and privacy protection measures.

Information We Collect

✅ Information We Do Not Collect

• Code Content: Your HTML + CSS code is only processed locally in the browser, never uploaded to our servers
• Personal Files: We do not store your exported images or any personal creative content
• User Accounts: This tool requires no registration or login, does not collect user personal information

Anonymous Information We May Collect

• Basic access statistics: page visits, feature usage frequency (only for product improvement)
• Technical information: browser compatibility data, error logs (for fixing issues)
• Preference settings: style theme selections (stored locally in browser, not uploaded to server)

How We Use Information

• Local Processing: All code editing, preview, image generation is completed in your browser, no server involvement required
• Product Optimization: Anonymous statistics help us understand which features are most popular, prioritize user experience improvements
• Bug Fixes: Browser compatibility and error information help us fix technical issues promptly
• Feature Improvement: Usage pattern analysis helps us develop new features that better meet user needs

Data Storage and Protection

🔒 Pure Frontend Architecture

• Local Processing: Based on html-to-image and file-saver libraries, all functions completed locally in browser
• No Server Storage: Code editing, preview rendering, image export all proceed without going through our servers
• Browser Storage: Preference settings stored in your browser through localStorage

Data Protection Measures

• Use HTTPS encrypted transmission to protect website access security
• Do not execute user JavaScript code, avoiding security risks
• All third-party libraries (such as Monaco Editor, Prism.js) come from trusted sources
• Regularly update dependency libraries, fix known security vulnerabilities

Third-party Services

We may use the following third-party services to improve user experience:

• Website Analytics: Understanding user usage patterns (data is anonymized)
• CDN Services: Accelerate content distribution, improve access speed
• Error Monitoring: Promptly discover and fix technical issues
• These third-party services all follow strict privacy protection standards.

Your Rights

You have the following rights regarding your personal information:

• Access Right: Understand what information we have collected about you
• Correction Right: Request correction of inaccurate personal information
• Deletion Right: Request deletion of personal information in specific circumstances
• Processing Restriction Right: Request limitation on processing of personal information
• Data Portability Right: Request your data in structured format

Cookie Policy

We use cookies and similar technologies to:

• Save your preference settings and theme choices
• Analyze website usage, improve user experience
• Ensure website functions operate normally
• You can control cookie usage through browser settings, but this may affect normal use of certain functions.